Explorer boat



FIG. 1 is a top plan view of an explorer boat, showing my new design;

FIG. 2 is a front end elevational view;

FIG. 3 is a rear end elevational view;

FIG. 4 is a side elevational view;

FIG. 5 is an elevational view, showing the side not shown in FIG. 4; and,

FIG. 6 is a bottom plan view. 

The ornamental design for an explorer boat, as shown and described. 